SerialFacadeTest.java

/***
 * Copyright 2002-2010 jamod development team
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ***/

//////////////////////////////////////////////////////////////////////////
//
//  File:  SerialFacadeTest.java
//
//  Description: Unit test driver to exerecise the methods for
//  ModbusSerialMaster class.
//
//  Programmer:  JDC (CCC), Wed Feb  4 11:54:23 2004
//
//  Change History:
//
//  $Log: SerialFacadeTest.java,v $
//  Revision 1.2  2004/10/21 16:44:36  wimpi
//  Please see status file for changes.
//
//  Revision 1.1  2004/09/30 01:45:38  jdcharlton
//  Test driver for ModbusSerialMaster facade
//
//
//
//////////////////////////////////////////////////////////////////////////

package net.wimpi.modbus.cmd;

import net.wimpi.modbus.Modbus;
import net.wimpi.modbus.ModbusException;
import net.wimpi.modbus.facade.ModbusSerialMaster;
import net.wimpi.modbus.procimg.InputRegister;
import net.wimpi.modbus.procimg.Register;
import net.wimpi.modbus.util.BitVector;
import net.wimpi.modbus.util.ModbusUtil;
import net.wimpi.modbus.util.SerialParameters;

public class SerialFacadeTest {

    public static void main(String[] args) {
        int inChar = -1;
        int result = 0;
        boolean finished = false;
        int slaveId = 88;
        String portname = null;
        ModbusSerialMaster msm = null;

        try {
            // 1. Setup the parameters
            if (args.length < 2) {
                printUsage();
                System.exit(1);
            } else {
                try {
                    portname = args[0];
                    slaveId = Integer.parseInt(args[1]);
                } catch (Exception ex) {
                    ex.printStackTrace();
                    printUsage();
                    System.exit(1);
                }
            }

            System.out.println(" sending test messages to slave: " + slaveId);
            System.out.println("net.wimpi.modbus.debug set to: " + System.getProperty("net.wimpi.modbus.debug"));

            System.out.println("Hit enter to start and <s enter> to terminate the test.");
            inChar = System.in.read();
            if ((inChar == 's') || (inChar == 'S')) {
                System.out.println("Exiting");
                System.exit(0);
            }

            // 2. Setup serial parameters
            SerialParameters params = new SerialParameters();
            params.setPortName(portname);
            params.setBaudRate(38400);
            params.setDatabits(8);
            params.setParity("None");
            params.setStopbits(1);
            params.setEncoding("rtu");
            params.setEcho(true);
            if (Modbus.debug) {
                System.out.println("Encoding [" + params.getEncoding() + "]");
            }

            // 3. Create the master facade
            msm = new ModbusSerialMaster(params);
            msm.connect();

            do {
                if (msm.writeCoil(slaveId, 4, true) == true) {
                    System.out.println("Set output 5 to true");
                } else {
                    System.err.println("Error setting slave " + slaveId + " output 5");
                }
                BitVector coils = msm.readCoils(slaveId, 0, 8);
                if (coils != null) {
                    System.out.print("Coils:");
                    for (int i = 0; i < coils.size(); i++) {
                        System.out.print(" " + i + ": " + coils.getBit(i));
                    }
                    System.out.println();

                    try {
                        msm.writeMultipleCoils(slaveId, 0, coils);
                    } catch (ModbusException ex) {
                        System.out.println("Error writing coils: " + result);
                    }
                } else {
                    System.out.println("Outputs: null");
                    msm.disconnect();
                    System.exit(-1);
                }

                BitVector digInp = msm.readInputDiscretes(slaveId, 0, 8);

                if (digInp != null) {
                    System.out.print("Digital Inputs:");
                    for (int i = 0; i < digInp.size(); i++) {
                        System.out.print(" " + i + ": " + digInp.getBit(i));
                    }
                    System.out.println();
                    System.out.println("Inputs: " + ModbusUtil.toHex(digInp.getBytes()));
                } else {
                    System.out.println("Inputs: null");
                    msm.disconnect();
                    System.exit(-1);
                }

                InputRegister[] ai = null;
                for (int i = 1000; i < 1010; i++) {
                    ai = msm.readInputRegisters(slaveId, i, 1);
                    if (ai != null) {
                        System.out.print("Tag " + i + ": ");
                        for (int n = 0; n < ai.length; n++) {
                            System.out.print(" " + ai[n].getValue());
                        }
                        System.out.println();
                    } else {
                        System.out.println("Tag: " + i + " null");
                        msm.disconnect();
                        System.exit(-1);
                    }
                }

                Register[] regs = null;
                for (int i = 1000; i < 1005; i++) {
                    regs = msm.readMultipleRegisters(slaveId, i, 1);
                    if (regs != null) {
                        System.out.print("RWRegisters " + i + " length: " + regs.length);
                        for (int n = 0; n < regs.length; n++) {
                            System.out.print(" " + regs[n].getValue());
                        }
                        System.out.println();
                    } else {
                        System.out.println("RWRegisters " + i + ": null");
                        msm.disconnect();
                        System.exit(-1);
                    }
                }
                regs = msm.readMultipleRegisters(slaveId, 0, 10);
                System.out.println("Registers: ");
                if (regs != null) {
                    System.out.print("regs :");
                    for (int n = 0; n < regs.length; n++) {
                        System.out.print("  " + n + "= " + regs[n]);
                    }
                    System.out.println();
                } else {
                    System.out.println("Registers: null");
                    msm.disconnect();
                    System.exit(-1);
                }
                while (System.in.available() > 0) {
                    inChar = System.in.read();
                    if ((inChar == 's') || (inChar == 'S')) {
                        finished = true;
                    }
                }
            } while (!finished);
        } catch (Exception e) {
            System.err.println("SerialFacadeTest driver: " + e);
            e.printStackTrace();
        }
        msm.disconnect();
    }

    private static void printUsage() {
        System.out.println("java net.wimpi.modbus.cmd.SerialAITest <portname [String]>  <Unit Address [int8]>");
    }// printUsage
}